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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $22,656,345 | 80,200,000 | 80,200,000 |
| 2006 | $29,212,717 | 103,100,000 | 103,100,000 |
| 2007 | $33,366,965 | 85,300,000 | 85,300,000 |
| 2008 | $43,927,586 | 100,200,000 | 100,200,000 |
| 2009 | $15,834,439 | 75,000,500 | 75,000,500 |
Note: Quantity represents Weight in kilograms
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